Technically, the combustion engine in any hybrid vehicle is a range extender, but the term commonly refers to gasoline-fueled generators that are used to charge an electric vehicle’s battery pack but ...

Trees and forests are an incredibly important natural resource — not only for lumber and agricultural products, but also because they maintain a huge amount of biodiversity, stabilize their local ...

Toyota is hot on hydrogen fuel cells for its next-generation cars, but it’s not going cold on internal combustion just yet. The company’s R&D division has developed a Free Piston Engine Linear ...